C22121333132313311211113313331333131133133313331333133313331323132313233121   >>    C2212133313231331121111331333133313113313331333133313331333132313231323312   <<    C22121333132313311211113313331333131133133313331333133313331323132313233123   >>      C22121333132313311211113313331333131133133313331333133313331323132313233122   >>